The most likely cause of the beak variation is the food source of the finch, the break size and shape was adapted to most likely have easier and better access to food. <span />
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This is the primary federal law in the United States governing water pollution. Passed in 1972 the act established the goals of eliminating releases of high amounts of toxic substances into water, eliminating additional water pollution by 1985, and that surface waters would meet standards necessary for human sports and recreation by 1983.
Pathophysiology is a sub discipline of physiology that deals with the study of mechanisms of disease. Pathology describes the abnormal or undesired conditions while pathophysiology entails explaining the physiological processes or mechanisms where such conditions develop and progress. It is a physiology of abnormal state that is normally followed by a disease or a syndrome.
Answer: D) directional selection
Explanation:
The characteristics of the poppies shifted in response to the changed environment.
